WebDownload flink-sql-connector-mysql-cdc-2.0.2.jar and put it under /lib/. Setup MySQL server ¶ You have to define a MySQL user with appropriate permissions on all databases that the Debezium MySQL connector monitors. Create the MySQL user: mysql> CREATE USER 'user'@'localhost' IDENTIFIED BY 'password'; WebMar 14, 2024 · Flink Redis Connector 的报错 "Caused by: java.lang.VerifyError: Bad return type" 通常是由于类型不匹配导致的。这种情况通常发生在使用 Flink Redis Connector 的时候,当你尝试将类型为 T 的元素写入 Redis 时,但是 T 的类型并不是 Redis Connector 支持 …
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WebMar 4, 2024 · Steps to fix the above issues 1) Update $FLINK_HOME/bin/flink Update log_setting as below (replace \\dev\\codebase\\flink\\flink-1.12.0 with your Flink … WebFlink’s Table & SQL API makes it possible to work with queries written in the SQL language, but these queries need to be embedded within a table program that is written in either Java or Scala. Moreover, these programs need to be packaged with a build tool before being submitted to a cluster. churches of christ in lexington ky
flink-Table&sql-碰到的几个问题记录 - CSDN博客
WebOct 28, 2024 · From the first day of the birth of Flink SQL, there were some non-deterministic operations that could cause incorrect results or exceptions, which caused great distress to users. In 1.16, we spent a lot … WebApr 13, 2024 · 最近在开发flink程序时,需要开窗计算人次,在反复测试中发现flink的并行度会影响数据准确性,当kafka的分区数为6时,如果flink的并行度小于6,会有一定程度的数据丢失。. 而当flink 并行度等于kafka分区数的时候,则不会出现该问题。. 例如Parallelism = 3,则会丢失 ... WebApr 10, 2024 · Bonyin. 本文主要介绍 Flink 接收一个 Kafka 文本数据流,进行WordCount词频统计,然后输出到标准输出上。. 通过本文你可以了解如何编写和运行 Flink 程序。. 代码拆解 首先要设置 Flink 的执行环境: // 创建. Flink 1.9 Table API - kafka Source. 使用 kafka 的数据源对接 Table,本次 ... churches of christ in huntsville alabama